Tire tread



FIG. 1 is a perspective view of the tire tread showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a fragmentary enlarged view thereof; and,

FIG. 5 is a cross-sectional view thereof.

The broken lines are used to show portions of the tire tread that are not being claimed, and thus form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 